The Effect of Video-Based Education on Colonoscopy Preparation

NCT07229066 | Recruiting

• 1 other identifier: ESOGU-OZGENEL-2025-COLONOSCOPY
• Study Type: interventional
• Target: 246
• Locations: 1 country
• Sites: 1

Brief Summary

Colonoscopy is a routine procedure for evaluating gastrointestinal symptoms, detecting colorectal cancer, and removing polyps. Its effectiveness depends on patient compliance with bowel preparation instructions. However, inadequate bowel preparation occurs in 20-25% of colonoscopies, often due to non-adherence, medical conditions, or long waiting times. Poor preparation can reduce examination quality, prevent detection of precancerous lesions, and increase healthcare costs. Video-based education has been shown to be more effective than written or verbal instructions in improving bowel preparation. This study aims to evaluate the effect of video-based education on colonoscopy bowel preparation and contribute evidence to optimize patient compliance.

Conditions

Bowel Preparation Quality; Colonoscopy; Patient Education

Outcome Measures

Primary Outcomes (1)

• Quality of Bowel Preparation

  The quality of bowel preparation will be assessed on the day of colonoscopy using the Boston Bowel Preparation Scale (BBPS). This scale evaluates cleansing in three segments of the colon. Higher scores indicate better preparation, reflecting patient compliance with dietary and laxative instructions and the effectiveness of the educational intervention.

  Day of Colonoscopy

Study Arms (6)

Video-based education group for Sodium Picosulfate (0.1 g) sennoside b (3 mg) + Bisacodyl (5 mg)

EXPERIMENTAL

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Behavioral: Video Education

Control group for Sodium Picosulfate (0.1 g) sennoside B (3 mg) + Bisacodyl (5 mg)

NO INTERVENTION

Participants receive routine written and verbal instructions for colonoscopy preparation.

Video-based education group for Sodium Picosulfate (0.1 g)

EXPERIMENTAL

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Behavioral: Video Education

Control group for Sodium Picosulfate (0.1 g)

NO INTERVENTION

Participants receive routine written and verbal instructions for colonoscopy preparation.

Video-based education group for Sennoside A+B (1875 mg)

EXPERIMENTAL

Participants receive a video-based education program explaining colonoscopy preparation steps, diet instructions, and use of laxatives.

Behavioral: Video Education

Control group for Sennoside A+B (1875 mg)

NO INTERVENTION

Participants receive routine written and verbal instructions for colonoscopy preparation.

Interventions

Video Education BEHAVIORAL

Participants receive routine written and verbal instructions about colonoscopy preparation, including dietary instructions and use of prescribed laxatives. This represents the standard care provided at the study site.

Video-based education group for Sennoside A+B (1875 mg); Video-based education group for Sodium Picosulfate (0.1 g); Video-based education group for Sodium Picosulfate (0.1 g) sennoside b (3 mg) + Bisacodyl (5 mg)

Eligibility Criteria

• Age: 18 Years - 80 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Voluntary participation in the study.
• Outpatient follow-up.
• No prior history of colonoscopy.
• Participant or a household member (spouse, child, parent, sibling) owns and can use a smartphone application.

You may not qualify if:

• History of major abdominal surgery.
• Suspected obstructive lesion in the gastrointestinal tract on cross-sectional imaging.
• Impaired swallowing reflex.
• Mental disorder.
• Communication difficulties (speech, perception, comprehension problems).
• Congestive heart failure or kidney failure.
• Pregnancy or breastfeeding.

Sponsors & Collaborators

• Eskisehir Osmangazi University: lead

Study Sites (1)

Eskisehir Osmangazi University

Eskişehir, Turkey (Türkiye)

RECRUITING

Related Publications (2)

• Walker TB, Hengehold TA, Garza K, Rogers BD, Early D. An Interactive Video Educational Tool Does Not Improve the Quality of Bowel Preparation for Colonoscopy: A Randomized Controlled Study. Dig Dis Sci. 2022 Jun;67(6):2347-2357. doi: 10.1007/s10620-021-07215-8. Epub 2021 Aug 25.

  PMID: 34435269 RESULT

• Chan WK, Saravanan A, Manikam J, Goh KL, Mahadeva S. Appointment waiting times and education level influence the quality of bowel preparation in adult patients undergoing colonoscopy. BMC Gastroenterol. 2011 Jul 28;11:86. doi: 10.1186/1471-230X-11-86.

  PMID: 21798022 RESULT

Central Study Contacts

Safak Meric Ozgenel, Assistant professor

CONTACT

+902222392979; mozgenel@ogu.edu.tr

Fatmanur Ince Ozgenel, PhD

CONTACT

+902222392979; fatmanur_ince@hotmail.com

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: HEALTH SERVICES RESEARCH
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor Dr.

Model Details: Participants will be randomly assigned to either a video-based education group or a control group receiving standard written and verbal instructions. Both groups will be followed in parallel to assess the effect of the intervention on bowel preparation quality before colonoscopy.

Study Record Dates

• First Submitted: November 13, 2025
• First Posted: November 14, 2025
• Study Start: June 1, 2024
• Primary Completion: December 30, 2025
• Study Completion: March 30, 2026
• Last Updated: November 14, 2025

Record last verified: 2025-11

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF, CSR
• Time Frame: End date of the study and one year after that
• Access Criteria: The paper reviewers will be able to access the IPD and supporting information.

Locations

TU (1)